Finding the Fourth Proportional to 6,973,162.79, 10,429,149.92 and 6,210,042.08
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Solution
The fourth proportional to 6,973,162.79, 10,429,149.92 and 6,210,042.08 is: 9,287,816.99
Step by Step Solution
- Step 1: Write the proportion equation
6,973,162.79 : 10,429,149.92 = 6,210,042.08 : x - Step 2: Convert to fraction form
6,973,162.79/10,429,149.92 = 6,210,042.08/x - Step 3: Cross multiply
6,973,162.79x = 10,429,149.92 × 6,210,042.08 - Step 4: Simplify right side
6,973,162.79x = 64,765,459,778,632.67 - Step 5: Solve for x
x = 64,765,459,778,632.67/6,973,162.79 - Step 6: Final answer
x = 9,287,816.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.